9 active days
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Tracked flight number
K4539
Analysis window
Sep 4–24, 2026
Every derived statistic, daily trend, route, tail number assignment, flight observation, and mapped path below uses this flight-date window.
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3,476 mi avg per flight
5 hr 57 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Sep 4–24, 2026 · 9 active days
Flights11
Sep 4
Sep 6
Sep 11
Sep 12
Sep 14
Sep 18
Sep 19
Sep 20
Sep 21
Observed route footprint
Routes tracked as K4539
Directional airport pairings in Sep 4–24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 6 | 6 | 0 | 25,308 mi | 42 hr 27 min | Sep 4, 2026, 3:34 PM UTC | Sep 21, 2026, 12:46 AM UTC | |
| 3 | 3 | 0 | 8,710 mi | 15 hr 21 min | Sep 12, 2026, 7:12 AM UTC | Sep 21, 2026, 7:46 AM UTC | |
| 1 | 1 | 0 | 600 mi | 1 hr 15 min | Sep 19, 2026, 2:51 PM UTC | Sep 19, 2026, 4:06 PM UTC | |
| 1 | 1 | 0 | 3,623 mi | 6 hr 25 min | Sep 19, 2026, 5:06 AM UTC | Sep 19, 2026, 11:31 AM UTC |
Observed tail number assignments
Tail numbers tracked as K4539
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B744 | 3 | 3 | 8,480 mi | Sep 18, 2026, 7:41 PM UTC | Sep 19, 2026, 4:06 PM UTC | |
| B744 | 3 | 2 | 11,219 mi | Sep 6, 2026, 3:01 PM UTC | Sep 14, 2026, 7:31 PM UTC | |
| B744 | 2 | 2 | 7,164 mi | Sep 20, 2026, 5:23 PM UTC | Sep 21, 2026, 7:46 AM UTC | |
| B744 | 2 | 2 | 7,172 mi | Sep 11, 2026, 8:32 PM UTC | Sep 12, 2026, 12:23 PM UTC | |
| B744 | 1 | 1 | 4,205 mi | Sep 4, 2026, 3:34 PM UTC | Sep 4, 2026, 10:29 PM UTC |
Observed aircraft types
Aircraft types tracked as K4539
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
| Type | Aircraft name | Flights | Makeup | Tail numbers | Tracked distance | Routes | First observed | Last observed |
|---|---|---|---|---|---|---|---|---|
| B744 | Boeing 747-400 | 11 | 100.0% | 5 | 38,241 mi | 4 | Sep 4, 2026, 3:34 PM UTC | Sep 21, 2026, 7:46 AM UTC |
Observation log
Flight observations
Latest 100 flights for K4539 within Sep 4–24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B744 | Sep 21, 2026, 2:32 AM UTC | Sep 21, 2026, 7:46 AM UTC | 5 hr 14 min | 2,921 mi | ||
| High · 100 | B744 | Sep 20, 2026, 5:23 PM UTC | Sep 21, 2026, 12:46 AM UTC | 7 hr 23 min | 4,243 mi | ||
| High · 100 |